Copyright 1993 by
INTERNACIONAL DE PROJECIOLOGIA
INSTITUTE OF PROJECTIOLOGY)
All rights reserved. No part of the following articles may
be reproduced or transmitted in any form or by any means, electronic or
mechanical, including photocopying, recording, or by any information storage
and retrieval system, without permission in writing from the authors.
three articles were first published in Portuguese, in a series of articles in
Ano Zero magazine (Brazil), in 1992.
The English translation is published here for the first time and is
reproduced by the International Institute of Projectiology.